Water-cooling system for automobile-engines.



,. DALMAN.

WATER COOLING SYSTEM FOR AUTOMOBILB ENGINES.

PPLIGATIOH FILED FEBJQ, 1912.

Paenfied Sept. 29, 19.14.

J. W. DALMAN.

WATER COOLING SYSTEM FOR AUTOMOBILE BNGINES.

APPLICATION T'ILED FEB.19.1912.

22; Puzyp Ink/8712077' J. W. ALMAN.

WATER COOLING SYSTEM FOR AUTOMOBILE BNGINBS.

APPLICATION FILBD TEE-19, 1912.

Patented Sept. 29, 1914.

J. W. DALMAN.

WATER COOLING SYSTEM FOR AUTOMOBILE ENGINES.

APPLICATION FILED TEE. 19, 1912.

Patented Sept. 29, 1914.

b J/Ln J. 'WLDALMAN.

WATER COOLING' YSTEM FOR AUTOMOBILE ENGINES.

APPLICATION FILBD 1223.19, 1912.

1,1 1 1 ,787. Patented Sepn. 29, 1914.

BMS-sum: 5.

, the nature of my invention I have illustrated .into a reservoir when not 111 use, so as to prei UNITED sTATEs- PATENT OFFICE..

JOHN W. DALMAN, OF CHICAGO, ILLINOIS. i

TA'IJIR-(lOOLING SYSTM FOR AITOMOBILE-ENGINES.

1,111,787, Specifleation of Letters Patent. Patgnted Sept,

Application flled February 19, 1912. Serial R0. 678,440.

Vertical Sections showing further modificatlons of my invention; are, respectively, a ofa fo'rf'her modification.

. Referring now to Figs.

T0 all 'tv/10m it may] concern Be it known that I, JOHN W. DALMAN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements inA Tater-Cooling Systems for Automobile-Engines, of which the following is a specification.

The principal object of my invention is to provide a new and improved water circulating system for cooling an automobile engine.

Another object of my invention is to pro- Vide a water Cooling system for an automobile that shall automatically drain the water 1 to 6, inclusive, the usual automobile radiator is shown with' theupper and lower headers 15 and 16 connected by the Vertical tubes 17. The water cooling jacket for the engine is 18. elow the radiator and engine jacket is a tank or reservoir 19 with the Iiotch Q-on 1ts upper side to accommodate the extended crank shaft lcarrying the startingerank At one end of the tank 19 is a turretfl, fromA which a pipe 24.- leads to the puinpjdes-l 'ignated generally :18.25. A pipe 2%' leads from the bottom of the tank 19 to said turret 23, making with pipe 24 and turret 23Y a continuous suction pipe for the pum 25. A light weight ball 4valve 23' within t e turret 23 closes the opening of when floated up by water or drawn up b suction. The pump 25 is driven by'the sha 7, band wheel 28, and band 29. `The delivery pipe 26, leading from the pump 25, goes to the engine jaeket 18, and from there the Vent inj'ury by freezing.

Another object of my invention is to provide a watercirculating system for an automobile engine jacket that shall keep the radiator full of Water when in use, but shall' drain the radiator, engine jacket, and connected pipes into a reservoir when not in use.

These objects, and others, will be made apparent in the following specification and claims, taken in connection with the accompanying drawings.

For the purpose of d'istinctly explainmg radiator.

16 of the radiator to the small drum 37, which is divided into two parts by the partition 38, with a small o ening 115 therethrough. The two vertica pipes 39 and 11 one specific embodiment thereof, together with a few modifications in the aceompanying drawings, and I now proceed to describe the devices shown in the drawings and to explain their manner of operation. are connected at their` lower ends: to the The invention is defined in the appended drum 37 on opposite'sides of the partition claims. i 38, and at their upper ends the pipes 39 and Referring to the drawings-Figure -1 i s a 41 are connected together by the coupling 40. perspective .view of an automobile showmg Fromthe drum 37 a short pipe 42,ex'tends my improved water circulating system for to the turret 43 standing on the tank 19. engine jackets. Fig..2 is a vert1cal sect1on This turret 43 'carries an mclined stramer on the line 2-2 of Fig. 3 lookincr in the 44, on which rests a light weight ball Valve direction of the arrows. Fig. 3 is a. orizon- 43' ada tcd to close the opening of pipe 42, tal section on the broken 'line 3-3 of Fig. 2 unless oated or pushed aside'by the wateu looking in the direction of the arrows. Fig. A pipe 46, of' small cross section, connccts 4 is a verl i'al section on the line 4- 4 of Fig. the hpper header 15 to the upper end of the 2 looking in' the direction of the arrows. Vertical tube 39. i i Fig. 5 is a horizontal section on the line 5 5 en the automobile is in normal operaof Fig. fllooking in the direction of the tion the pump 25 w1ll draw water from the arrows. Fg. 6 is a Vertical section on the bottom of the tank 19 through the pipes 24' line 6---6 of Fig. 5 looking in the direction and 24 and of the arrow-s. Fig. 7 is a front elevation, jacket 18 through the plpe partlvbroken away, of an automobile radiatherethrough and out throu h the pipe tor showing my invention embodied in a into the upper header 15. he ,water W111 omewhat different form. Fig. 8 is a fragfill the tubes 17 of the radiator, and will he forced out from the lower header 16 and up through the pipe 39, then down through 26, forcing it iheutal Vertical section of the s'imc. on the line l0-10 of Fg. 9. Figs. 9 and 10 are and Figs. 11 and 12- rear elevation and pliku' desgnated pipe 24', ex'cept A short pipe 36 connects the lower header pipe 35 leads to the upper header 15 of the dcliver this water to the engine' the pipe 41 and into the tank 19, thus comvpleting the cycle of its circulation.

By making the water rise in the'pipe 39 after it leaves-the lower header 16 1 am able to maintain the radiator tubes 17 full of water all the time', and thereby get the greatest cooling effect on the circulating water. If the water were to discharge from the ,lower header 16 directly into the tank 19, then it would have a tendency to simply fall down through the tubes 17, and they would be partially empty, so that the water would be less exposed to cooling by radiation from the'tubes 17.

The pump 25 is so eonstrueted as to pervm'it the water to drain back into`the tank 19 from the enginejacket 18 when the automobile is standing idle. Also, the restricted opening 45 permits the water to drain from the radiator into the tank 19. small pipe 46, connecting the upper header 15 with the tube 39, prevents the tubes 39 and 41 and coupling 40 from acting as -a siphon to drain the water from the radiator below the level of the ipe; that is, if a siphon action in said tu es 39 and 41 lowered the water level in the radiator, then the water column in the pipe 39 would be broken as soon as the water level in the radiator got down to the tube 46, and thus the lowering further of the water in the radiator would be arrested. i

The valves 23' 'and 43' automatically open and permit the water to circulate freely through thelwater system when the engine and pump are in operation. As soon as the engine and pump are stopped and the water from the water system has drained back into reservoir 19 so that no water remains to fioat these valves 23' and 43', then they automatically seat and cut off communication between reservoir 19 and the rest of the water system, thercby preventing loss of heat through the openings into reservoir 19.

The reinovable strainer 44 prevents large particles of foreign matter from entering the tank 19 with the circulating water. The cap over turret 43 can be removed when desired for the purpose of Cleaning the strainer 44.

The tank 19 can be drained through the drain cock at the bottom when this is dcsired for any reason, as, for example, to leave the autoxnobile in freezing weather for a long'time. VVhenthe tank is to he filled this can be done by removing the cap The.-

advantage in filling at the turret 43-it insures thatno excess of water shall be introduced into the system, because when the tank 19 is full that aifords a sufiicient amount of water and no more water can be introduced without its overlowing at the turret 48.

Referring now to Figs. 7 and S; in this case the general circulatory system is the same as previously described, except that the pump 50, which is of the centrifugal type, is within the tank 19, which has a depression 53 on its under side from which the intake tube 51 draws. The discharge pipe 52 connects with the previously described pipe 26 going to the engine jacket 18. The pump shaft 54 is driven from the extended Crank shaft 21 by means of gears 55 and 56. The stand pipes 39 and 41 are at the center, and the bottom wall of the lower header 16 slopes to the outlet opening.

Referring n'ow to Figf9, the pipe 60 from the lower header of the radiator has a small outlet openinrr 63 beyond which point it extends upwardly, designated as 61 within the surrounding casing 62. The annular space between the pipe 61 and the casing 62 may be large enough so that it will not form a siphon, and the water will simply spill down from the upper end of the tube 61 without forming a solid downwardly moving water column within the casing 62. In this case the small orifice 63 performs the same function as the small opening 45 previously described.

In Fig. 10 the water is delivered from the upper part of the radiator through the large outlet pipe 64 leading down among the tubes 17 to the tank 19. A by-pass opening 65, of restricted size, leads fromsthe lower header 16 of the radiator into the tank 19.

ln the form of my invention illustrated in Figs. 11 and 12, the tube 70 goes from siphon and give complete drainage, as already explained.

It will be seen that in all the forms of my invention the radiator, engine jacket, and connections are kept approx'imately full when in operation, but that they automatically drain into the tank 19 when the engine is at rest.

It will be observed that by my invention the water is kept circulating through the engine' jacket and the radiator of the automohile, and the radiator tubes are kept full of water when Operating ordinarily. But when the engine is standing still the water all drains into the tank 19. Thistank may be conveniently insulated and the water being in a compact body therein will not freeze 0`ine,

for a long time. When desired the tank 19 can be readily drained through the drain eock at tlie bottom.

1. In a device of tlie class desc'i'ibed, an en'- g a cooling system coinprising a water Jacket, a radiator, a reservoir at a lower level than said radiator, an'd a duet leading from the .lower part of said radiator iipward to a point atljaeent the top there'of, a second duet coniniunicating with tlie upper part of said first mentioiied diict ,and' with said reservoir, 'and means for stopping the flow 'of water 'from said 'radiator through said ducts when the .water iii said radiator has' drained to a. iredetermined level.

2.. ln a device of the class described, an

engine, a cooling system coinprisiiig a water jarket, a radiator, a reservoii'v at a lower level than said. radiator, a duet leading from the lower part of said radiator upward -to a point adjacent the top thereof, a duet communicatiug with the upper part 'of'said first 'iiientioned duet andwit-hy said reservoir, and

g cient size to eonduct the predeterrnined a, duet leadingdirectly from the lower part of said radiator'to' said resei'voir.

3; In a device of the class deseribed., an engine a Cooling system comprising alwater jaclcet, a radiator, a reservoir at a lower level than said radiator, means fo'i' perinitting a flow of water from the lower part of said radiator tolsaid reservoir, and means for permittin an additional flow of water rom said raiator to said reservoir when the vivater level in s'iidradiator reachesva level.

4,. In a device of the class'desci'ibed, a eooling system eomprising a water jaeket, va radiator, a reservoir at a' lower level than said radiator, a pump, a duet leading directly from the lower part of said radiator to said reservoir, said'duet being of insuflinormal flow caused and a. second larger duet leading from sai radiator to said reservoir, said second duet being operative only When said radiator is substantially full of water. 5. In a device of the class desci'ibed, an eiigine, a eooling system coiuprising a radiatoi', a water jacket, a duet leading from said 'water jaelteli to said radiator,a reservoir at a `lower level than said radiator, iiieans'foi' pei'initting a [low of water from the lower part of said radiator to said reser voii', additional means for pern'iitting a flow of water frouisaid radiator to said reservoii' said pump,

wlieu Vthe waterglevel iii1\.'aid radiator reache' 'i a predeteriuinedlevel, and a pump for fore;

iug water from said re.'ervoir through said jaelcet and into said radiator. v I (i. ln a device ot the class desei'ibed, zan engine, a eooliug system compi'ising a water j achet, a radiator, a resei'voii' at a lower level than said radiator, a duet leading from the lowerpart of said radiator to said reservoir, a second duet leading,p from the lower part of said radiator to va point adjaeent the top thereof, and' a tnii'd duet communirating' Withtlie upper part of. said second duet aiid with said reservoir. 7. ln a device of the' class described, an engine, afrooling system eoinprising a watei'j'aeket, a radiator, a reseriioir at a. ,lower levelthan'said radiator, a duet ex'iending upivzird fromjthe 'lower part ofsaid radiator to a point adjacenttlie' top thereof and 'thenc'e downward to. said reservoir, and an air duet. leading from the upper part of said first mentioned duet to the upper part of said radiator. z

i In test-iinoiiv whereof, I liavesiibsci'ibed Cam. .Ai Rioi'iaumu' I'IENRY AS FAiNs. 

